Louis L. Ainsworth

Pentair, Inc. manufactures water treatment systems. The company's products include water & wastewater pumps, filtration & purification, components & systems, storage tanks & pressure vessels and pool. Its applications include industrial machinery, data communications, networking, telecommunications, test and measurement, automotive, medical, security, defense and general electronics. The company was founded on August 31, 1966 by Murray Harpole, Vern Stone, Vincent Follmer, Leroy Nelson and Gary Ostrand and is headquartered in Minneapolis, MN.

MTS Systems Corp. engages in the provision of test systems and sensors. It operates through the Test & Simulation and Sensors segments. The Test & Simulation segment provides testing and simulation solutions including hardware, software and services that are used by customers in product development to characterize a product's mechanical properties along with simulation systems for human response features. The Sensors segment focuses on sensors used for measurement of vibration, pressure, position, force, and sound. The company was founded in 1966 and is headquartered in Eden Prairie, MN.